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Apartment Building with Duplex Units
For Sale
$2,399,000

4 Union St, Boston, MA 02135

Four residences offer in-unit laundry, private decks, separate utilities, and on-site parking for multifamily occupancy.

Property Size5,202 SF
Days on Market49

Property Features for 4 Union St

General Information

Standard status Active
Size 5,202 SF
Total Parking Spaces 8
Property subtype Multifamily

Site & Location

Neighborhood Brighton

Taxes and HOA fees

Annual Taxes $16,386

Building Details

Building Size 5,202 SF
Year Built 1925
Listing Agency: NextGen Realty, Inc.
Listed By: Ian Armstrong
Source: Classifiedrealtygroup
Added: Sep 11 Changed: Oct 25 Last Checked: Oct 28 at 5:18AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of NextGen Realty, Inc.

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Investment Insights

Based on property information with market context.

Located at 4 Union Street in Brighton, this multifamily property comprises four duplex residences with 12 bedrooms and 7.5 bathrooms across approximately 5,202 square feet. Built in 1925, the property includes generous living areas, in-unit laundry, and outdoor deck space. Separate utilities help limit owner-paid operating expenses, while an off-street parking area accommodates up to eight vehicles.

Leases are in place through August 31, 2027. The property is situated near area universities, major employment and medical centers, restaurants, public transportation, and highway access. Its corner-lot setting and established rental history support an income-producing residential configuration with multiple dwelling units and dedicated parking.

Key Highlights

  • Four duplex residences with 12 bedrooms and 7.5 bathrooms
  • Approximately 5,202 square feet of living area
  • Leases in place through August 31, 2027

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$122,206
Cap Rate
5.09%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$2,444,120 $2.4M
Cap Rate 7%
$1,745,800 $1.7M
Cap Rate 9%
$1,357,844 $1.4M
Market Conditions
NOI Build-Up for 5,202 SF
Gross rent
$231.0K $44.40/SF
− Vacancy
−$8.8K −$1.69/SF
EGI
$222.2K $42.71/SF
− OpEx
−$100.0K −$19.22/SF
NOI
$122.2K $23.49/SF
Area
Boston, MA
Vacancy
3.80%
Lease Rate
$44.40 /SF/Yr
Expense Ratio
45.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$2,444,120
Cap Rate 7%
$1,745,800
Cap Rate 9%
$1,357,844

Alternative Uses

Best Use
Apartment 5plus
$1.75M
$1.53M – $2.04M (±1% cap)
NOI $122,206 @ 7.0% cap · market cap 5.09%
Second Best
—
—
no second resolved use
Theoretical Best
Office A
$3.90M
$3.41M – $4.54M (±1% cap)
NOI $272,668 @ 7.0% cap · market cap 11.37%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

Who owns this building? See the owner, sales and loan history
Open Analytics

Location Intelligence

Trade Area within ½ mile

2,796
Businesses Nearby

Demographics for 02135, MA

47,232
Population
22,519
Households
2.1
Avg Household Size
29
Median Age
71%
College-Educated
93%
High-School Grad
2.6 sq mi
ZIP Area
18,166
Density / Sq Mi
$88,208
Median Household Income
$57,124
Median Earnings
$2,179
Median Rent
$684,000
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025

Frequently Asked Questions

What type of property is this?
Apartment building - Four residences offer in-unit laundry, private decks, separate utilities, and on-site parking for multifamily occupancy.
Where is this apartment building located?
The property is located at 4 Union St Boston, MA.
What is the asking price?
The asking price for this property is $2,399,000.
What are key features of this property?
This property features: Four duplex residences with 12 bedrooms and 7.5 bathrooms; Approximately 5,202 square feet of living area; Leases in place through August 31, 2027
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